Climate averages 1991–2020
Hyesan weather
in January.
A freezing month with very little precipitation: the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a freezing month in Hyesan: daytime highs average -8.0°C and nights cool to about -20.9°C. By daytime temperature it is the coolest month of the year.
Expect about 10 mm of precipitation on roughly 3 days, which makes January a month with very little precipitation (the driest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 33 min on an average January day.
The nearest other city in this atlas is Changam-ch’on (102 km away). In January its highs average -1.1°C, 6.9°C warmer than Hyesan, with 27 mm of precipitation.
Among the 38 cities listed in North Korea, Hyesan ranks 38th of 38 for the warmest January highs and 1st of 38 for the driest January (precipitation, lowest first). The mean January high of those 38 cities is -1.0°C; Hyesan is 7.0°C cooler than that mean.
From January to February, average highs rise by 3.8°C to -4.2°C, and monthly precipitation rises from 10 mm to 18 mm.
The annual picture
January in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Hyesan climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | -8.0°C-20.9°C | -20.9°C | 10 | 3.1 | 9.610 h |
| February | -4.2°C-17.6°C | -17.6°C | 18 | 4.6 | 10.611 h |
| March | 2.3°C-9.2°C | -9.2°C | 33 | 7.9 | 11.912 h |
| April | 11.0°C-0.4°C | -0.4°C | 56 | 10.5 | 13.313 h |
| May | 18.0°C5.5°C | 5.5°C | 95 | 14.9 | 14.514 h |
| June | 22.3°C11.2°C | 11.2°C | 97 | 15.5 | 15.115 h |
| July | 24.9°C15.4°C | 15.4°C | 164 | 17.3 | 14.815 h |
| August | 24.4°C15.1°C | 15.1°C | 136 | 14.2 | 13.814 h |
| September | 19.7°C8.8°C | 8.8°C | 70 | 7.9 | 12.513 h |
| October | 12.1°C1.3°C | 1.3°C | 43 | 7.6 | 11.111 h |
| November | 2.5°C-7.5°C | -7.5°C | 38 | 7.7 | 9.910 h |
| December | -6.0°C-18.0°C | -18.0°C | 18 | 5.2 | 9.29 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Changam-ch’on in JanuaryNorth Korea · 102 kmHigh -1.1°C · Low -12.3°C · 27 mm precipitation
- Hwasŏng in JanuaryNorth Korea · 111 kmHigh -3.4°C · Low -13.3°C · 26 mm precipitation
- Myŏnggan-dong in JanuaryNorth Korea · 114 kmHigh -3.6°C · Low -13.1°C · 26 mm precipitation
- Ŏrang in JanuaryNorth Korea · 123 kmHigh -3.3°C · Low -10.8°C · 40 mm precipitation
- Chongjin in JanuaryNorth Korea · 140 kmHigh -3.9°C · Low -11.9°C · 40 mm precipitation
- Kanggye in JanuaryNorth Korea · 142 kmHigh -5.6°C · Low -19.3°C · 15 mm precipitation
- Helong in JanuaryChina · 144 kmHigh -7.3°C · Low -19.6°C · 7.7 mm precipitation
- Sinp’o in JanuaryNorth Korea · 151 kmHigh -0.4°C · Low -7.1°C · 33 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hyesan) is explained once on the Hyesan year overview and on the Sources, method and limits page.